Seiko Cal. 3899 - 804

Seiko 3899-804

The 3899-804 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3899 caliber with 27j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-e9b1a4e16c5a]

Also known as: Monster, Crown

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
15.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1985

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